diff --git a/package-lock.json b/package-lock.json
index 5b083c6..24604d2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
       "dependencies": {
         "agentkeepalive": "^4.6.0",
         "dotenv": "^16.5.0",
-        "openai": "6.3.0",
+        "openai": "6.8.1",
         "ws": "^8.18.2"
       },
       "devDependencies": {
@@ -5287,9 +5287,9 @@
       }
     },
     "node_modules/openai": {
-      "version": "6.3.0",
-      "resolved": "https://registry.npmjs.org/openai/-/openai-6.3.0.tgz",
-      "integrity": "sha512-E6vOGtZvdcb4yXQ5jXvDlUG599OhIkb/GjBLZXS+qk0HF+PJReIldEc9hM8Ft81vn+N6dRdFRb7BZNK8bbvXrw==",
+      "version": "6.8.1",
+      "resolved": "https://registry.npmjs.org/openai/-/openai-6.8.1.tgz",
+      "integrity": "sha512-ACifslrVgf+maMz9vqwMP4+v9qvx5Yzssydizks8n+YUJ6YwUoxj51sKRQ8HYMfR6wgKLSIlaI108ZwCk+8yig==",
       "license": "Apache-2.0",
       "bin": {
         "openai": "bin/cli"
diff --git a/package.json b/package.json
index 47e0d39..d22a93a 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
   "dependencies": {
     "agentkeepalive": "^4.6.0",
     "dotenv": "^16.5.0",
-    "openai": "6.3.0",
+    "openai": "6.8.1",
     "ws": "^8.18.2"
   }
 }
diff --git a/src/apis/chatkit.ts b/src/apis/chatkit.ts
index e36a7ae..589ff07 100644
--- a/src/apis/chatkit.ts
+++ b/src/apis/chatkit.ts
@@ -3,10 +3,6 @@ import { createHeaders } from './createHeaders';
 import { finalResponse, initOpenAIClient, overrideConfig } from '../utils';
 import { ApiClientInterface } from '../_types/generalTypes';
 import { APIPromise, RequestOptions } from '../baseClient';
-import {
-  ChatKitUploadFileParams,
-  ChatKitUploadFileResponse,
-} from 'openai/resources/beta/chatkit/chatkit';
 import { SessionCreateParams } from 'openai/resources/beta/chatkit/sessions';
 import {
   ChatKitThread,
@@ -24,23 +20,6 @@ export class ChatKit extends ApiResource {
     this.sessions = new ChatKitSessions(client);
     this.threads = new ChatKitThreads(client);
   }
-
-  uploadFile(
-    body: ChatKitUploadFileParams,
-    params?: ApiClientInterface,
-    opts?: RequestOptions
-  ): APIPromise<ChatKitUploadFileResponse> {
-    if (params) {
-      const config = overrideConfig(this.client.config, params.config);
-      this.client.customHeaders = {
-        ...this.client.customHeaders,
-        ...createHeaders({ ...params, config }),
-      };
-    }
-    const OAIclient = initOpenAIClient(this.client);
-    const result = OAIclient.beta.chatkit.uploadFile(body, opts);
-    return result as any;
-  }
 }
 
 export class ChatKitSessions extends ApiResource {
diff --git a/src/apis/responses.ts b/src/apis/responses.ts
index d83a2bb..3980fb6 100644
--- a/src/apis/responses.ts
+++ b/src/apis/responses.ts
@@ -15,13 +15,16 @@ import { CursorPageParams } from '../_types/sharedTypes';
 import { ResponseCreateParamsWithTools } from 'openai/lib/ResponsesParser';
 import { ResponseStreamParams } from 'openai/lib/responses/ResponseStream';
 import { Stream } from '../streaming';
+import { InputTokenCountParams } from 'openai/resources/responses/input-tokens';
 
 export class Responses extends ApiResource {
   inputItems: InputItems;
+  inputTokens: InputTokens;
 
   constructor(client: any) {
     super(client);
     this.inputItems = new InputItems(client);
+    this.inputTokens = new InputTokens(client);
   }
 
   create(
@@ -195,6 +198,30 @@ export class InputItems extends ApiResource {
   }
 }
 
+export class InputTokens extends ApiResource {
+  async count(
+    body: InputTokenCountParams,
+    params?: ApiClientInterface,
+    opts?: RequestOptions
+  ): Promise<any> {
+    if (params) {
+      const config = overrideConfig(this.client.config, params.config);
+      this.client.customHeaders = {
+        ...this.client.customHeaders,
+        ...createHeaders({ ...params, config }),
+      };
+    }
+
+    const OAIclient = initOpenAIClient(this.client);
+
+    const result = await OAIclient.responses.inputTokens
+      .count(body, opts)
+      .withResponse();
+
+    return finalResponse(result);
+  }
+}
+
 export interface ResponseRetrieveParams {
   include?: Array<ResponseIncludable>;
 }